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      08-13-2013, 01:07 PM   #64
seank
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Drives: e30 m3,e90 wagon,sprinter,z4m
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Quote:
Originally Posted by ZStig View Post
isn't flow affected with that sock?
They say not. I can't think that K&N would create something that restricted flow, since they are all about there's increase flow and hp.

It is just to keep bugs and larger particles from getting wedged in the grooves.
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